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      <title>Class DispFrameUtil | HiAPI-C# 2025 </title>
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        <article data-uid="Hi.Disp.DispFrameUtil">



  <h1 id="Hi_Disp_DispFrameUtil" data-uid="Hi.Disp.DispFrameUtil" class="text-break">
Class DispFrameUtil  
  </h1>

  <div class="facts text-secondary">
    <dl><dt>Namespace</dt><dd><a class="xref" href="Hi.html">Hi</a>.<a class="xref" href="Hi.Disp.html">Disp</a></dd></dl>
  <dl><dt>Assembly</dt><dd>HiDisp.dll</dd></dl>
  </div>

  <div class="markdown summary"><p>Utility class for display frame management.</p>
</div>
  <div class="markdown conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static class DispFrameUtil</code></pre>
  </div>




  <dl class="typelist inheritance">
    <dt>Inheritance</dt>
    <dd>
      <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
      <div><span class="xref">DispFrameUtil</span></div>
    </dd>
  </dl>



  <dl class="typelist inheritedMembers">
    <dt>Inherited Members</dt>
    <dd>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)">object.Equals(object)</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object-system-object)">object.Equals(object, object)</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gethashcode">object.GetHashCode()</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.gettype">object.GetType()</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone">object.MemberwiseClone()</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.referenceequals">object.ReferenceEquals(object, object)</a>
    </div>
    <div>
      <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object.tostring">object.ToString()</a>
    </div>
  </dd></dl>






  <h2 class="section" id="properties">Properties
</h2>


  <a id="Hi_Disp_DispFrameUtil_KeyToDispEngineHostDictionary_" data-uid="Hi.Disp.DispFrameUtil.KeyToDispEngineHostDictionary*"></a>

  <h3 id="Hi_Disp_DispFrameUtil_KeyToDispEngineHostDictionary" data-uid="Hi.Disp.DispFrameUtil.KeyToDispEngineHostDictionary">
  KeyToDispEngineHostDictionary
  
  </h3>

  <div class="markdown level1 summary"><p>Internal Use Only.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static ConcurrentDictionary&lt;object, DispEngineConfig&gt; KeyToDispEngineHostDictionary { get; }</code></pre>
  </div>





  <h4 class="section">Property Value</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.concurrent.concurrentdictionary-2">ConcurrentDictionary</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a>, <a class="xref" href="Hi.Disp.DispEngineConfig.html">DispEngineConfig</a>&gt;</dt>
    <dd></dd>
  </dl>








  <a id="Hi_Disp_DispFrameUtil_UpdateDispEngineFunc_" data-uid="Hi.Disp.DispFrameUtil.UpdateDispEngineFunc*"></a>

  <h3 id="Hi_Disp_DispFrameUtil_UpdateDispEngineFunc" data-uid="Hi.Disp.DispFrameUtil.UpdateDispEngineFunc">
  UpdateDispEngineFunc
  
  </h3>

  <div class="markdown level1 summary"><p>Gets or sets the function to update display engine.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static Action&lt;string, DispEngineConfig&gt; UpdateDispEngineFunc { get; set; }</code></pre>
  </div>





  <h4 class="section">Property Value</h4>
  <dl class="parameters">
    <dt><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.action-2">Action</a>&lt;<a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a>, <a class="xref" href="Hi.Disp.DispEngineConfig.html">DispEngineConfig</a>&gt;</dt>
    <dd></dd>
  </dl>








  <h2 class="section" id="methods">Methods
</h2>


  <a id="Hi_Disp_DispFrameUtil_CallDispEngineConfig_" data-uid="Hi.Disp.DispFrameUtil.CallDispEngineConfig*"></a>

  <h3 id="Hi_Disp_DispFrameUtil_CallDispEngineConfig_System_String_Hi_Disp_IDisplayee___" data-uid="Hi.Disp.DispFrameUtil.CallDispEngineConfig(System.String,Hi.Disp.IDisplayee[])">
  CallDispEngineConfig(string, params IDisplayee[])
  
  </h3>

  <div class="markdown level1 summary"><p>Configures the display engine with the specified displayees.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static DispEngineConfig CallDispEngineConfig(string key, params IDisplayee[] displayees)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>key</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
    <dd><p>The key to identify the display engine configuration.</p>
</dd>
    <dt><code>displayees</code> <a class="xref" href="Hi.Disp.IDisplayee.html">IDisplayee</a>[]</dt>
    <dd><p>The displayees to be configured.</p>
</dd>
  </dl>

  <h4 class="section">Returns</h4>
  <dl class="parameters">
    <dt><a class="xref" href="Hi.Disp.DispEngineConfig.html">DispEngineConfig</a></dt>
    <dd><p>The display engine configuration.</p>
</dd>
  </dl>











  <a id="Hi_Disp_DispFrameUtil_ClearCache_" data-uid="Hi.Disp.DispFrameUtil.ClearCache*"></a>

  <h3 id="Hi_Disp_DispFrameUtil_ClearCache" data-uid="Hi.Disp.DispFrameUtil.ClearCache">
  ClearCache()
  
  </h3>

  <div class="markdown level1 summary"><p>Clears the cache of display engine configurations.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static void ClearCache()</code></pre>
  </div>













  <a id="Hi_Disp_DispFrameUtil_UpdateDispEngine_" data-uid="Hi.Disp.DispFrameUtil.UpdateDispEngine*"></a>

  <h3 id="Hi_Disp_DispFrameUtil_UpdateDispEngine_System_String_" data-uid="Hi.Disp.DispFrameUtil.UpdateDispEngine(System.String)">
  UpdateDispEngine(string)
  
  </h3>

  <div class="markdown level1 summary"><p>Internal Use Only.</p>
</div>
  <div class="markdown level1 conceptual"></div>

  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public static void UpdateDispEngine(string key)</code></pre>
  </div>

  <h4 class="section">Parameters</h4>
  <dl class="parameters">
    <dt><code>key</code> <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></dt>
    <dd><p>The key to identify the display engine configuration.</p>
</dd>
  </dl>













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